What city is ZIP code 78569?

ZIP code 78569 is in Sebastian, TX (Willacy County).

What county is ZIP code 78569 in?

ZIP code 78569 is mostly in Willacy County, Texas.

How many people live in ZIP code 78569?

About 4,342 people live in the 78569 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 78569

Sebastian, TX, Willacy County

Population

4,342

Land area

152.8sq mi

People per sq mi

City

Sebastian

ZIP 78569 and nearby ZIP codes

Full map

ZIP 78569 at a glance

ZIP 78569 (Sebastian) is 75% less dense than Texas as a whole.
Households here earn a median of $58,950 a year, 25% less than the Texas figure of $78,476.
A typical owner-occupied home is valued at $117,000 (59% below Texas) and median rent is $911 a month.

Local data for ZIP 78569

Counts from official public data

Housing and community stats

ZIP 78569, American Community Survey 2020-2024

Full profile

Median household income

$58,950

Poverty rate

19.7%

Median home value

$117,000

Median rent

$911/mo

Homeownership

91.2%

Bachelor's or higher

16.5%

Median age

39.9

Average commute

29.7 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

162

$8M annual payroll

PPP loans

$2M

75 loans

Campaign donations

$11.6K

24% D, 44% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 78569, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: cold wave

Storm events since 1996

459

Countywide, mostly drought

Flood insurance policies

588

9.7% of homes, county

July high / Jan low

97° / 48°F

25.5 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 78569, CDC PLACES estimates

All 40 measures

Obesity

41.8%

U.S. 33.3% +8.5 pts

Diabetes

19.6%

U.S. 12.1% +7.5 pts

Smoking

14.1%

U.S. 12.8% +1.3 pts

Uninsured (18-64)

36.1%

U.S. 11.1% +25.0 pts

Frequently asked questions

What city is ZIP code 78569?: ZIP code 78569 is in Sebastian, TX (Willacy County).
What county is ZIP code 78569 in?: ZIP code 78569 is mostly in Willacy County, Texas.
How many people live in ZIP code 78569?: About 4,342 people live in the 78569 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.